204.5 g/kg = 205.502 PSU
| g/kg | PSU |
|---|---|
| 189.5 g/kg | 190.429 |
| 194.5 g/kg | 195.453 |
| 199.5 g/kg | 200.478 |
| 204.5 | 205.502 |
| 209.5 g/kg | 210.527 |
| 214.5 g/kg | 215.551 |
| 219.5 g/kg | 220.576 |
204.5 g/kg = 205.502 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)